<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>登录</title>
</head>
<body>
<h2>登录</h2>
<hr>

{#<form action="" method="post">#}
{#<form action="{{ url_for('user.login') }}"" method="post">#}
<form action="/login/" method="post">
    <p>
        用户名: <input type="text" name="username">
    </p>
    <p>
        密码: <input type="password" name="password">
    </p>
    <p>
       <button type="submit">提交</button>
    </p>
</form>
</body>
</html>